Classification of Walker 1970
Infracl. Archosauria Cope 1869 [archosaur]
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Or. Crocodylomorpha Hay 1930 [crocodilian]
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Subor. Crocodylia Owen 1842 [crocodilian]
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Unr. Eusuchia Huxley 1875
Infraor. †Mesosuchia Huxley 1875
Infraor. †Sebecosuchia Colbert 1946
Infraor. †Thalattosuchia Fraas 1901 [marine crocodile]